United States. Department of Commerce
and United States. Bureau of Economic Analysis. "Monthly Business Statistics,"
in
United States. Department of Commerce
and United States. Bureau of Economic Analysis. "August 1, 1980,"
Survey of Current Business. Business Statistics (Weekly Supplement)
(August 1, 1980)
: 2-4.
https://fraser.stlouisfed.org/title/57/item/60258/toc/436027
, accessed on December 19, 2018.